x^2-100x-36=0

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Solution for x^2-100x-36=0 equation:


Simplifying
x2 + -100x + -36 = 0

Reorder the terms:
-36 + -100x + x2 = 0

Solving
-36 + -100x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '36' to each side of the equation.
-36 + -100x + 36 + x2 = 0 + 36

Reorder the terms:
-36 + 36 + -100x + x2 = 0 + 36

Combine like terms: -36 + 36 = 0
0 + -100x + x2 = 0 + 36
-100x + x2 = 0 + 36

Combine like terms: 0 + 36 = 36
-100x + x2 = 36

The x term is -100x.  Take half its coefficient (-50).
Square it (2500) and add it to both sides.

Add '2500' to each side of the equation.
-100x + 2500 + x2 = 36 + 2500

Reorder the terms:
2500 + -100x + x2 = 36 + 2500

Combine like terms: 36 + 2500 = 2536
2500 + -100x + x2 = 2536

Factor a perfect square on the left side:
(x + -50)(x + -50) = 2536

Calculate the square root of the right side: 50.358713248

Break this problem into two subproblems by setting 
(x + -50) equal to 50.358713248 and -50.358713248.

Subproblem 1

x + -50 = 50.358713248 Simplifying x + -50 = 50.358713248 Reorder the terms: -50 + x = 50.358713248 Solving -50 + x = 50.358713248 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '50' to each side of the equation. -50 + 50 + x = 50.358713248 + 50 Combine like terms: -50 + 50 = 0 0 + x = 50.358713248 + 50 x = 50.358713248 + 50 Combine like terms: 50.358713248 + 50 = 100.358713248 x = 100.358713248 Simplifying x = 100.358713248

Subproblem 2

x + -50 = -50.358713248 Simplifying x + -50 = -50.358713248 Reorder the terms: -50 + x = -50.358713248 Solving -50 + x = -50.358713248 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '50' to each side of the equation. -50 + 50 + x = -50.358713248 + 50 Combine like terms: -50 + 50 = 0 0 + x = -50.358713248 + 50 x = -50.358713248 + 50 Combine like terms: -50.358713248 + 50 = -0.358713248 x = -0.358713248 Simplifying x = -0.358713248

Solution

The solution to the problem is based on the solutions from the subproblems. x = {100.358713248, -0.358713248}

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